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Sewage treatment plant, Ferron, Utah. NPDES permit UT0020052, in force until Sep 30, 2030. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months |
|---|---|---|---|
| Oxygen, dissolved [DO] | daily minimum | ≥ 5 mg/L | all year |
| BOD, 5-day, 20 deg. C | maximum monthly average | ≤ 45 mg/L | all year |
| BOD, 5-day, 20 deg. C | maximum weekly average | ≤ 65 mg/L | all year |
| BOD, 5-day, 20 deg. C | maximum monthly average | report only (mg/L) | all year |
| BOD, 5-day, 20 deg. C | maximum weekly average | report only (mg/L) | all year |
| pH | daily minimum | ≥ 6.5 SU | all year |
| pH | daily maximum | ≤ 9 SU | all year |
| Solids, total suspended | maximum monthly average | ≤ 45 mg/L | all year |
| Solids, total suspended | maximum weekly average | ≤ 65 mg/L | all year |
| Solids, total suspended | maximum monthly average | report only (mg/L) | all year |
| Solids, total suspended | maximum weekly average | report only (mg/L) | all year |
| Nitrogen, ammonia total [as N] | maximum monthly average | < 4.6 mg/L | Jul–Sep |
| Nitrogen, ammonia total [as N] | maximum monthly average | < 8.9 mg/L | Oct–Dec |
| Nitrogen, ammonia total [as N] | maximum monthly average | < 3.9 mg/L | Apr–Jun |
| Nitrogen, ammonia total [as N] | maximum monthly average | < 11.3 mg/L | Jan–Mar |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 14.5 mg/L | Jul–Sep |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 14 mg/L | Oct–Dec |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 6.1 mg/L | Apr–Jun |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 14.2 mg/L | Jan–Mar |
| Nitrogen, Kjeldahl, total [as N] | maximum monthly average | report only (mg/L) | all year |
| Nitrogen, Kjeldahl, total [as N] | maximum monthly average | report only (mg/L) | all year |
| Phosphorus, total [as P] | maximum monthly average | report only (mg/L) | all year |
| Phosphorus, total [as P] | maximum monthly average | report only (mg/L) | all year |
| Phosphate, ortho [as P] | maximum monthly average | report only (mg/L) | all year |
| Flow, in conduit or thru treatment plant | daily maximum | ≤ .5 MGD | all year |
| Chlorine, total residual | maximum monthly average | ≤ .026 mg/L | all year |
| Chlorine, total residual | daily maximum | ≤ .033 mg/L | all year |
| E. coli | 30-day geometric mean | ≤ 126 #/100mL | all year |
| E. coli | 7-day geometric mean | ≤ 157 #/100mL | all year |
| Solids, total dissolved | daily maximum | ≤ 3500 mg/L | all year |
| Solids, total dissolved | annual average | ≤ 1 ton/d | all year |
| Solids, total dissolved | annual maximum | ≤ 366 ton/yr | all year |
| Solids, total dissolved | maximum monthly average | report only (ton/d) | all year |
| Nitrogen, nitrate total [as NO3] | maximum monthly average | report only (mg/L) | all year |
| Nitrogen, nitrite total [as NO2] | maximum monthly average | report only (mg/L) | all year |
| BOD, 5-day, percent removal | minimum % removal | ≥ 65 % | all year |
| Solids, suspended percent removal | minimum % removal | ≥ 65 % | all year |
Cited limits by parameter: Utah's rules and the federal ones.
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On EPA ECHO: Facility report · DMR history
Your permit document is the final word. As JSON: /api/v1/permits/UT0020052 · MCP: https://passage-data.com/mcp